355 lines
8.5 KiB
JavaScript
355 lines
8.5 KiB
JavaScript
'use strict';
|
|
|
|
var assert = require('assert');
|
|
var Script = require('../lib/script/script');
|
|
var Witness = require('../lib/script/witness');
|
|
var Stack = require('../lib/script/stack');
|
|
var TX = require('../lib/primitives/tx');
|
|
var util = require('../lib/utils/util');
|
|
var crypto = require('../lib/crypto/crypto');
|
|
var constants = require('../lib/protocol/constants');
|
|
var opcodes = constants.opcodes;
|
|
|
|
var scripts = require('./data/script_tests');
|
|
|
|
function success(res, stack) {
|
|
if (!res)
|
|
return false;
|
|
|
|
if (stack.length === 0)
|
|
return false;
|
|
|
|
if (!Script.bool(stack.top(-1)))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
describe('Script', function() {
|
|
it('should encode/decode script', function() {
|
|
var src, decoded, dst;
|
|
|
|
src = '20'
|
|
+ '000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f'
|
|
+ '20'
|
|
+ '101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f'
|
|
+ 'ac';
|
|
|
|
decoded = Script.fromRaw(src, 'hex');
|
|
assert.equal(decoded.code.length, 3);
|
|
assert.equal(decoded.code[0].data.toString('hex'),
|
|
'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
|
|
assert.equal(decoded.code[1].data.toString('hex'),
|
|
'101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f');
|
|
assert.equal(decoded.code[2].value, opcodes.OP_CHECKSIG);
|
|
|
|
dst = decoded.toRaw();
|
|
assert.equal(dst.toString('hex'), src);
|
|
});
|
|
|
|
it('should encode/decode numbers', function() {
|
|
var script = [0, 0x51, 0x52, 0x60];
|
|
var encoded = Script.fromArray(script).raw;
|
|
var decoded = Script(encoded).toArray();
|
|
assert.deepEqual(decoded, script);
|
|
});
|
|
|
|
it('should recognize a P2SH output', function() {
|
|
var hex = 'a91419a7d869032368fd1f1e26e5e73a4ad0e474960e87';
|
|
var decoded = Script.fromRaw(hex, 'hex');
|
|
assert(decoded.isScripthash());
|
|
});
|
|
|
|
it('should recognize a Null Data output', function() {
|
|
var hex = '6a28590c080112220a1b353930632e6f7267282a5f'
|
|
+ '5e294f7665726c6179404f7261636c65103b1a010c';
|
|
var decoded = Script.fromRaw(hex, 'hex');
|
|
assert(decoded.isNulldata());
|
|
});
|
|
|
|
it('should handle if statements correctly', function() {
|
|
var input, output, stack, res;
|
|
|
|
input = new Script([opcodes.OP_1, opcodes.OP_2]);
|
|
|
|
output = new Script([
|
|
opcodes.OP_2,
|
|
opcodes.OP_EQUAL,
|
|
opcodes.OP_IF,
|
|
opcodes.OP_3,
|
|
opcodes.OP_ELSE,
|
|
opcodes.OP_4,
|
|
opcodes.OP_ENDIF,
|
|
opcodes.OP_5
|
|
]);
|
|
|
|
stack = new Stack();
|
|
|
|
input.execute(stack);
|
|
|
|
res = output.execute(stack);
|
|
assert(res);
|
|
|
|
assert.deepEqual(stack.items, [[1], [3], [5]]);
|
|
|
|
input = new Script([opcodes.OP_1, opcodes.OP_2]);
|
|
output = new Script([
|
|
opcodes.OP_9,
|
|
opcodes.OP_EQUAL,
|
|
opcodes.OP_IF,
|
|
opcodes.OP_3,
|
|
opcodes.OP_ELSE,
|
|
opcodes.OP_4,
|
|
opcodes.OP_ENDIF,
|
|
opcodes.OP_5
|
|
]);
|
|
|
|
stack = new Stack();
|
|
input.execute(stack);
|
|
|
|
res = output.execute(stack);
|
|
assert(res);
|
|
assert.deepEqual(stack.items, [[1], [4], [5]]);
|
|
|
|
input = new Script([opcodes.OP_1, opcodes.OP_2]);
|
|
output = new Script([
|
|
opcodes.OP_2,
|
|
opcodes.OP_EQUAL,
|
|
opcodes.OP_IF,
|
|
opcodes.OP_3,
|
|
opcodes.OP_ENDIF,
|
|
opcodes.OP_5
|
|
]);
|
|
|
|
stack = new Stack();
|
|
|
|
input.execute(stack);
|
|
|
|
res = output.execute(stack);
|
|
assert(res);
|
|
assert.deepEqual(stack.items, [[1], [3], [5]]);
|
|
|
|
input = new Script([opcodes.OP_1, opcodes.OP_2]);
|
|
output = new Script([
|
|
opcodes.OP_9,
|
|
opcodes.OP_EQUAL,
|
|
opcodes.OP_IF,
|
|
opcodes.OP_3,
|
|
opcodes.OP_ENDIF,
|
|
opcodes.OP_5
|
|
]);
|
|
|
|
stack = new Stack();
|
|
input.execute(stack);
|
|
|
|
res = output.execute(stack);
|
|
assert(res);
|
|
assert.deepEqual(stack.items, [[1], [5]]);
|
|
|
|
input = new Script([opcodes.OP_1, opcodes.OP_2]);
|
|
output = new Script([
|
|
opcodes.OP_9,
|
|
opcodes.OP_EQUAL,
|
|
opcodes.OP_NOTIF,
|
|
opcodes.OP_3,
|
|
opcodes.OP_ENDIF,
|
|
opcodes.OP_5
|
|
]);
|
|
stack = new Stack();
|
|
input.execute(stack);
|
|
|
|
res = output.execute(stack);
|
|
assert(res);
|
|
assert.deepEqual(stack.items, [[1], [3], [5]]);
|
|
});
|
|
|
|
it('should handle CScriptNums correctly', function() {
|
|
var s1, s2, stack;
|
|
|
|
s1 = new Script([
|
|
new Buffer([0xff, 0xff, 0xff, 0x7f]),
|
|
opcodes.OP_NEGATE,
|
|
opcodes.OP_DUP,
|
|
opcodes.OP_ADD
|
|
]);
|
|
|
|
s2 = new Script([
|
|
new Buffer([0xfe, 0xff, 0xff, 0xff, 0x80]),
|
|
opcodes.OP_EQUAL
|
|
]);
|
|
|
|
stack = new Stack();
|
|
|
|
assert(s1.execute(stack));
|
|
assert(success(s2.execute(stack), stack));
|
|
});
|
|
|
|
it('should handle CScriptNums correctly', function() {
|
|
var s1, s2, stack;
|
|
|
|
s1 = new Script([
|
|
opcodes.OP_11,
|
|
opcodes.OP_10,
|
|
opcodes.OP_1,
|
|
opcodes.OP_ADD
|
|
]);
|
|
|
|
s2 = new Script([
|
|
opcodes.OP_NUMNOTEQUAL,
|
|
opcodes.OP_NOT
|
|
]);
|
|
|
|
stack = new Stack();
|
|
|
|
assert(s1.execute(stack));
|
|
assert(success(s2.execute(stack), stack));
|
|
});
|
|
|
|
it('should handle OP_ROLL correctly', function() {
|
|
var s1, s2, stack;
|
|
|
|
s1 = new Script([
|
|
new Buffer([0x16]),
|
|
new Buffer([0x15]),
|
|
new Buffer([0x14])
|
|
]);
|
|
|
|
s2 = new Script([
|
|
opcodes.OP_0,
|
|
opcodes.OP_ROLL,
|
|
new Buffer([0x14]),
|
|
opcodes.OP_EQUALVERIFY,
|
|
opcodes.OP_DEPTH,
|
|
opcodes.OP_2,
|
|
opcodes.OP_EQUAL
|
|
]);
|
|
|
|
stack = new Stack();
|
|
|
|
assert(s1.execute(stack));
|
|
assert(success(s2.execute(stack), stack));
|
|
});
|
|
|
|
scripts.forEach(function(data) {
|
|
var witness = Array.isArray(data[0]) ? data.shift() : [];
|
|
var input = data[0] ? data[0].trim() : data[0] || '';
|
|
var output = data[1] ? data[1].trim() : data[1] || '';
|
|
var flags = data[2] ? data[2].trim().split(/,\s*/) : [];
|
|
var expected = data[3] || '';
|
|
var comments = Array.isArray(data[4]) ? data[4].join('. ') : data[4] || '';
|
|
var amount = 0;
|
|
var flag = 0;
|
|
var i, name, err, res;
|
|
|
|
if (data.length === 1)
|
|
return;
|
|
|
|
if (!comments)
|
|
comments = output.slice(0, 60);
|
|
|
|
comments += ' (' + expected + ')';
|
|
|
|
if (witness.length !== 0)
|
|
amount = witness.pop() * 100000000;
|
|
|
|
witness = Witness.fromString(witness);
|
|
input = Script.fromString(input);
|
|
output = Script.fromString(output);
|
|
|
|
for (i = 0; i < flags.length; i++) {
|
|
name = 'VERIFY_' + flags[i];
|
|
assert(constants.flags[name] != null, 'Unknown flag.');
|
|
flag |= constants.flags[name];
|
|
}
|
|
|
|
flags = flag;
|
|
|
|
[false, true].forEach(function(nocache) {
|
|
var suffix = nocache ? ' without cache' : ' with cache';
|
|
it('should handle script test' + suffix + ': ' + comments, function() {
|
|
var prev, tx, err, res;
|
|
|
|
// Funding transaction.
|
|
prev = new TX({
|
|
version: 1,
|
|
flag: 1,
|
|
inputs: [{
|
|
prevout: {
|
|
hash: constants.NULL_HASH,
|
|
index: 0xffffffff
|
|
},
|
|
script: [Script.array(0), Script.array(0)],
|
|
witness: new Witness(),
|
|
sequence: 0xffffffff
|
|
}],
|
|
outputs: [{
|
|
script: output,
|
|
value: amount
|
|
}],
|
|
locktime: 0
|
|
});
|
|
|
|
// Spending transaction.
|
|
tx = new TX({
|
|
version: 1,
|
|
flag: 1,
|
|
inputs: [{
|
|
prevout: {
|
|
hash: prev.hash('hex'),
|
|
index: 0
|
|
},
|
|
script: input,
|
|
witness: witness,
|
|
sequence: 0xffffffff
|
|
}],
|
|
outputs: [{
|
|
script: new Script(),
|
|
value: amount
|
|
}],
|
|
locktime: 0
|
|
});
|
|
|
|
if (nocache) {
|
|
tx._raw = null;
|
|
tx._size = -1;
|
|
tx._witnessSize = -1;
|
|
tx._hash = null;
|
|
tx._hhash = null;
|
|
tx._whash = null;
|
|
tx._inputValue = -1;
|
|
tx._outputValue = -1;
|
|
tx._hashPrevouts = null;
|
|
tx._hashSequence = null;
|
|
tx._hashOutputs = null;
|
|
|
|
prev._raw = null;
|
|
prev._size = -1;
|
|
prev._witnessSize = -1;
|
|
prev._hash = null;
|
|
prev._inputValue = -1;
|
|
prev._outputValue = -1;
|
|
prev._hashPrevouts = null;
|
|
prev._hashSequence = null;
|
|
prev._hashOutputs = null;
|
|
}
|
|
|
|
try {
|
|
res = Script.verify(input, witness, output, tx, 0, amount, flags);
|
|
} catch (e) {
|
|
err = e;
|
|
}
|
|
|
|
if (expected !== 'OK') {
|
|
assert(!res);
|
|
assert(err);
|
|
assert.equal(err.code, expected);
|
|
return;
|
|
}
|
|
|
|
assert.ifError(err);
|
|
assert(res);
|
|
});
|
|
});
|
|
});
|
|
});
|